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[Fatal toxoplasmosis in children]
Boletin Medico Del Hospital Infantil De Mexico
|November 1, 1976
Summary
Fatal prenatal toxoplasmosis in infants is severe due to increased parasite virulence in the fetus. Postmortem studies confirmed Toxoplasma gondii in the central nervous system, liver, and lungs.
Area of Science:
- Medical Parasitology
- Pediatric Pathology
- Infectious Diseases
Context:
- Review of fatal toxoplasmosis cases at Hospital Infantil de México (1943-1973).
- Inclusion of five postmortem studies identifying Toxoplasma in histologic lesions.
- Analysis of clinical manifestations including infectious, intracranial hypertensive, neurological, and meningeal pictures.
Purpose:
- To review fatal toxoplasmosis cases and associated postmortem findings.
- To investigate the identification of Toxoplasma gondii in infant tissues.
- To correlate clinical presentation with neuropathological findings in congenital toxoplasmosis.
Summary:
- Toxoplasma gondii was identified within and outside parasitized cells, predominantly in the central nervous system, in all five postmortem cases.
- Severe fetal disease is hypothesized to result from increased parasite virulence in a second-step infection.
- Lesion intensity correlated with clinical severity and early postnatal manifestations, with parasites found in the brain, liver, and lungs.
Impact:
- Highlights the severe impact of congenital toxoplasmosis on fetal development.
- Emphasizes the importance of postmortem examination in diagnosing parasitic infections.
- Provides insights into the pathogenesis of severe fetal toxoplasmosis, suggesting enhanced virulence.